MeSH definition : Order of Conifers of the class Pinopsida, subdivision Spermatophytina, and division
Tracheophyta. The distinguishing attribute of the Pinales is the reproductive structure
known as a cone.;
Order of Conifers of the class Pinopsida, subdivision Spermatophytina, and division
Tracheophyta. The distinguishing attribute of the Pinales is the reproductive structure
known as a cone.